/* ================================================================
   Tema "Escoge tu propia aventura" — biblioteca / relatos
   Modo CLARO (por defecto) + modo OSCURO (RF12)
   El modo oscuro se activa con  <html data-theme="oscuro">
   ================================================================ */
:root {
    /* acento (titulos, links) */
    --burgundy: #6E2639;
    --burgundy-dark: #561d2d;
    --gold: #B8863B;
    /* fondos y texto */
    --parchment: #F4EDE1;
    --card: #FBF7EF;
    --ink: #2B2420;
    --muted: #6B5E52;
    --border: #E3D7C3;
    /* navbar y botones (en claro = burdeos) */
    --nav-bg: #6E2639;
    --btn-bg: #6E2639;
    --btn-bg-hover: #561d2d;
    /* sombras */
    --shadow: 0 12px 34px rgba(62, 35, 24, 0.16);
    --shadow-sm: 0 4px 14px rgba(62, 35, 24, 0.10);
}

    /* ---------- MODO OSCURO (RF12) ---------- */
    :root[data-theme="oscuro"] {
        --burgundy: #e09aa9; /* acento claro, legible sobre fondo oscuro */
        --burgundy-dark: #efb4c0;
        --gold: #d4a94e;
        --parchment: #15110f; /* fondo de pagina */
        --card: #211b18; /* fondo de tarjetas */
        --ink: #ECE3D6; /* texto */
        --muted: #A6968A;
        --border: #39302A;
        --nav-bg: #3a1620; /* navbar burdeos profundo */
        --btn-bg: #8d2f42; /* boton burdeos (texto crema legible) */
        --btn-bg-hover: #a03a4f;
        --shadow: 0 12px 34px rgba(0,0,0,0.55);
        --shadow-sm: 0 4px 14px rgba(0,0,0,0.45);
    }

html {
    font-size: 16px;
    position: relative;
    min-height: 100%;
}

body {
    font-family: 'Lora', Georgia, serif;
    color: var(--ink);
    background-color: var(--parchment);
    background-image: radial-gradient(rgba(110,38,57,0.035) 1px, transparent 1px);
    background-size: 22px 22px;
    margin-bottom: 60px;
    transition: background-color .2s ease, color .2s ease; /* transicion suave al cambiar tema */
}

h1, h2, h3, h4, h5, .navbar-brand {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--burgundy);
}

a {
    color: var(--burgundy);
    text-decoration: none;
}

    a:hover {
        color: var(--burgundy-dark);
    }

/* ===== Navbar ===== */
.navbar-adv {
    background-color: var(--nav-bg) !important;
    box-shadow: var(--shadow-sm);
}

    .navbar-adv .navbar-brand {
        font-weight: 700;
        font-size: 1.5rem;
        color: #F4EDE1 !important;
    }

    .navbar-adv .nav-link {
        color: rgba(244,237,225,0.88) !important;
        font-weight: 500;
    }

        .navbar-adv .nav-link:hover {
            color: #fff !important;
        }

    .navbar-adv .navbar-toggler {
        border-color: rgba(244,237,225,0.4);
    }

/* ===== Botones ===== */
.btn-adv {
    background-color: var(--btn-bg);
    border: none;
    color: #F8F3EA;
    font-family: 'Lora', serif;
    font-weight: 600;
    padding: 0.55rem 1.5rem;
    border-radius: 9px;
    cursor: pointer;
    transition: all .15s ease;
}

    .btn-adv:hover {
        background-color: var(--btn-bg-hover);
        color: #fff;
        transform: translateY(-1px);
    }

.btn-gold {
    background-color: transparent;
    border: 1.5px solid var(--gold);
    color: var(--burgundy);
    font-weight: 600;
    padding: 0.5rem 1.1rem;
    border-radius: 9px;
    cursor: pointer;
    transition: all .15s ease;
    display: inline-block;
}

    .btn-gold:hover {
        background-color: var(--gold);
        color: #fff;
    }

/* ===== Cards ===== */
.card-adv {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    padding: 1.4rem 1.6rem;
    transition: transform .15s ease, box-shadow .15s ease;
}

    .card-adv:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow);
    }

/* ===== Login ===== */
.login-wrap {
    min-height: 72vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-top: 5px solid var(--burgundy);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 2.6rem 2.3rem;
    width: 100%;
    max-width: 410px;
    text-align: center;
}

    .login-card .emblem {
        font-size: 2.8rem;
        line-height: 1;
    }

    .login-card h1 {
        font-size: 2rem;
        margin: .4rem 0 0;
    }

    .login-card .sub {
        color: var(--muted);
        font-style: italic;
        margin-bottom: 1.7rem;
    }

    .login-card label {
        font-weight: 600;
        text-align: left;
        display: block;
        margin-bottom: .3rem;
        color: var(--ink);
    }

    .login-card .form-control {
        border: 1px solid var(--border);
        background: var(--card);
        color: var(--ink);
        border-radius: 9px;
        padding: .6rem .85rem;
    }

        .login-card .form-control:focus {
            border-color: var(--burgundy);
            box-shadow: 0 0 0 .2rem rgba(140,47,66,0.18);
        }

/* ===== Tabla ===== */
.table-adv {
    background: var(--card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    color: var(--ink);
}

    .table-adv thead th {
        background: var(--nav-bg);
        color: #F4EDE1;
        font-family: 'Playfair Display', serif;
        font-weight: 600;
        border: none;
        padding: .9rem 1rem;
    }

    .table-adv td {
        vertical-align: middle;
        padding: .8rem 1rem;
        color: var(--ink);
        border-color: var(--border);
    }

/* ===== Lectura (pagina de capitulo) ===== */
.chapter {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    padding: 2.2rem 2.4rem;
    max-width: 760px;
    margin: 1.5rem auto;
}

.chapter-text {
    font-size: 1.18rem;
    line-height: 1.85;
    color: var(--ink);
}

.option-btn {
    display: block;
    width: 100%;
    text-align: left;
    background: var(--card);
    border: 1.5px solid var(--border);
    border-left: 4px solid var(--gold);
    border-radius: 11px;
    padding: .9rem 1.15rem;
    margin: .6rem 0;
    font-family: 'Lora', serif;
    font-size: 1.05rem;
    color: var(--ink);
    cursor: pointer;
    transition: all .15s ease;
}

    .option-btn:hover {
        background: var(--btn-bg);
        color: #fff;
        border-left-color: var(--btn-bg);
        transform: translateX(3px);
    }

/* ===== Chips / badges ===== */
.chip {
    background: var(--parchment);
    color: var(--burgundy);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: .2rem .7rem;
    font-size: .85rem;
    margin-right: 4px;
    display: inline-block;
}

.badge-si {
    background: #2e7d4f;
    color: #fff;
    padding: .25rem .7rem;
    border-radius: 20px;
    font-size: .85rem;
}

.badge-no {
    background: #9a8c7a;
    color: #fff;
    padding: .25rem .7rem;
    border-radius: 20px;
    font-size: .85rem;
}

/* ===== Boton de tema (RF12) ===== */
.btn-tema {
    background: transparent;
    border: none;
    cursor: pointer;
    color: rgba(244,237,225,0.88);
    font-size: 1.05rem;
}

    .btn-tema:hover {
        color: #fff;
    }

/* ===== Footer ===== */
.footer-adv {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 60px;
    line-height: 60px;
    color: var(--muted);
    border-top: 1px solid var(--border);
    background: var(--card);
}